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package com.medusa.gruul.common.core.auth.client.filter;

import cn.hutool.core.util.StrUtil;
import com.medusa.gruul.common.core.auth.model.constant.FilterOrders;
import com.medusa.gruul.common.core.auth.model.constant.Headers;
import com.medusa.gruul.common.core.auth.model.enums.Platform;
import com.medusa.gruul.common.core.auth.client.context.PlatformContextHolder;
import lombok.extern.slf4j.Slf4j;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author 张治保
 * date 2021/12/1
 */
@Slf4j
@Component
@Order(FilterOrders.PLATFORM)
public class PlatformFilter extends AbstractServletFilter {

    @Override
    public void doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws IOException, ServletException {
        log.info("Platform Filter");
        log.info("请求路径:{}",request.getRequestURI());
        String platformStr = request.getHeader(Headers.PLATFORM);
        if (StrUtil.isBlank(platformStr)){
            filterChain.doFilter(request,response);
            return;
        }

        Platform platform;
        try{
            platform = Platform.valueOf(platformStr);
        }catch (Exception e){
            filterChain.doFilter(request,response);
            return;
        }
        PlatformContextHolder.set(platform);
        filterChain.doFilter(request,response);
        PlatformContextHolder.clear();
    }

}
